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经营范围
发明名称
BAGGERSCHAUFEL
摘要
申请公布号
DE2851442(A1)
申请公布日期
1979.06.13
申请号
DE19782851442
申请日期
1978.11.28
申请人
GREAT CANADIAN OIL SANDS LTD.
发明人
FREDERICK BIERWITH,STANTON;STANTON BIERWITH,ROBERT
分类号
E02F3/24;E02F9/28;(IPC1-7):E02F9/28
主分类号
E02F3/24
代理机构
代理人
主权项
地址
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